APA
Biswas A. K. e. a., . (2010). Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Bhopal: Indian Institute of Soil Science.
Chicago
Biswas A K et al, . 2010. Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Bhopal: Indian Institute of Soil Science.
Harvard
Biswas A. K. e. a., . (2010). Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Bhopal: Indian Institute of Soil Science.
MLA
Biswas A K et al, . Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Bhopal: Indian Institute of Soil Science. 2010.